var ec_right2 = echarts.init(document.getElementById('right2'), "dark");

ec_r2_option = {
  title: [
    {
      text: '问诊人数前十的科室'
    }
  ],
  toolbox: {
    show: true,
    itemSize:18,
    itemGap:12,
    feature: {
      dataView: { show: true, readOnly: false },
      restore: { show: true },
      saveAsImage: { show: true }
    },
    right:"10%"
  },
  polar: {
    radius: [30, '80%']
  },
  angleAxis: {
    startAngle: 75
  },
  radiusAxis: [{
    type: 'category',
    data: [],//['a', 'b', 'c', 'd']
    axisLabel: {
      interval: 0,
      rotate:345
  }
  }],
  tooltip: {},
  series: [{
    type: 'bar',
    data: [],//[2, 1.2, 2.4, 3.6],
    coordinateSystem: 'polar',
    label: {

    }
  }]
};

ec_right2.setOption(ec_r2_option);